/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/seq-mthreaded/rekh_nxt.2.M4-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 18:48:34,874 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 18:48:34,880 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 18:48:34,900 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 18:48:34,900 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 18:48:34,901 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 18:48:34,903 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 18:48:34,905 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 18:48:34,907 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 18:48:34,908 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 18:48:34,909 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 18:48:34,910 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 18:48:34,910 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 18:48:34,911 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 18:48:34,912 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 18:48:34,913 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 18:48:34,914 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 18:48:34,915 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 18:48:34,917 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 18:48:34,919 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 18:48:34,921 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 18:48:34,925 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 18:48:34,926 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 18:48:34,927 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 18:48:34,934 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-24 18:48:34,940 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 18:48:34,941 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 18:48:34,944 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 18:48:34,944 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 18:48:34,945 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 18:48:34,946 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 18:48:34,946 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 18:48:34,946 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 18:48:34,947 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 18:48:34,947 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 18:48:34,950 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 18:48:34,951 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-24 18:48:34,968 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 18:48:34,968 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 18:48:34,969 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 18:48:34,969 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 18:48:34,969 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 18:48:34,970 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 18:48:34,970 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 18:48:34,970 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 18:48:34,970 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 18:48:34,970 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 18:48:34,971 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 18:48:34,971 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 18:48:34,971 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 18:48:34,971 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 18:48:34,972 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 18:48:34,972 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 18:48:34,973 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 18:48:34,973 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 18:48:34,973 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 18:48:34,973 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 18:48:34,973 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 18:48:34,974 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 18:48:34,974 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 18:48:34,974 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 18:48:34,974 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 18:48:34,974 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 18:48:34,975 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 18:48:34,975 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 18:48:34,975 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 18:48:34,975 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 18:48:34,976 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 18:48:34,976 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 18:48:34,976 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 18:48:34,976 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 18:48:34,976 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 18:48:34,977 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 18:48:34,977 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 18:48:34,977 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 18:48:35,278 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 18:48:35,290 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 18:48:35,295 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 18:48:35,296 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 18:48:35,297 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 18:48:35,297 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/rekh_nxt.2.M4-1.c [2019-11-24 18:48:35,359 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf390627a/ca2944c2516a45809b3e8aa88f5904bb/FLAG5d9734d5d [2019-11-24 18:48:36,011 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 18:48:36,012 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/rekh_nxt.2.M4-1.c [2019-11-24 18:48:36,040 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf390627a/ca2944c2516a45809b3e8aa88f5904bb/FLAG5d9734d5d [2019-11-24 18:48:36,189 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf390627a/ca2944c2516a45809b3e8aa88f5904bb [2019-11-24 18:48:36,197 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 18:48:36,198 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 18:48:36,199 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 18:48:36,200 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 18:48:36,203 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 18:48:36,204 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:48:36" (1/1) ... [2019-11-24 18:48:36,206 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9375a63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:48:36, skipping insertion in model container [2019-11-24 18:48:36,207 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:48:36" (1/1) ... [2019-11-24 18:48:36,212 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 18:48:36,269 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 18:48:36,949 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 18:48:36,971 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 18:48:37,285 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 18:48:37,332 INFO L208 MainTranslator]: Completed translation [2019-11-24 18:48:37,333 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:48:37 WrapperNode [2019-11-24 18:48:37,333 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 18:48:37,334 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 18:48:37,334 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 18:48:37,335 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 18:48:37,344 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:48:37" (1/1) ... [2019-11-24 18:48:37,401 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:48:37" (1/1) ... [2019-11-24 18:48:46,245 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 18:48:46,245 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 18:48:46,246 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 18:48:46,246 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 18:48:46,255 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:48:37" (1/1) ... [2019-11-24 18:48:46,255 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:48:37" (1/1) ... [2019-11-24 18:48:46,941 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:48:37" (1/1) ... [2019-11-24 18:48:46,942 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:48:37" (1/1) ... [2019-11-24 18:48:49,471 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:48:37" (1/1) ... [2019-11-24 18:48:54,998 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:48:37" (1/1) ... [2019-11-24 18:48:55,553 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:48:37" (1/1) ... [2019-11-24 18:48:56,095 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 18:48:56,095 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 18:48:56,095 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 18:48:56,096 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 18:48:56,097 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:48:37" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 18:48:56,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-24 18:48:56,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-24 18:48:56,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-24 18:48:56,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-24 18:48:56,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-24 18:48:56,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 18:48:56,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start